3Com TokenLink VelocityTM XL PCI Network Interface Card manual Click the Advanced Options tab

4-26CHAPTER 4: MICROSOFT WINDOWS ENVIRONMENT

To access the advanced options, follow these steps:

1Click the Advanced Options tab.

The Class of Service Advanced Options window appears, as shown in Figure 4-15.

Figure 4-15Class of Service Advanced Options Window

2Enter new information as required.

3Click OK to set the new value.

4Restart the computer to activate changes.

Class of Service Advanced Options Settings

This section provides a detailed description of each

Advanced Values field shown on the Class of Service

Advanced Options window.

FIFO Packet Threshold This setting controls the number of non–Class of Service bytes the network driver will allow in the FIFO ahead of any Class of Service packets. A smaller number decreases the time between Class of Service packets but can adversely affect performance. The default value of 20,000 is the recommended setting.